https://cdn.simplystamps.com/js/mpblog/tagcloud/tagcanvas.min.js?v1114

1/**
2 * Copyright (C) 2010-2015 Graham Breach
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU Lesser General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * GNU Lesser General Public License for more details.
13 * 
14 * You should have received a copy of the GNU Lesser General Public License
15 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
16 */
17/**
18 * TagCanvas 2.6.1
19 * For more information, please contact <[email protected]>
20 */
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i=y,j=f(aD);if(j&&i.tc[j]){aD.cancelBubble=true;aD.returnValue=false;aD.preventDefault&&aD.preventDefault();i.tc[j].Wheel((aD.wheelDelta||aD.detail)>0)}}function N(){E(F())}function E(aE){var j=y.tc,aD;y.NextFrame(y.interval);aE=aE||F();for(aD in j){j[aD].Draw(aE)}}function aa(aD){var aG=C.getElementById(aD),i=aG.getBoundingClientRect(),aJ=C.documentElement,aH=C.body,aI=window,aE=aI.pageXOffset||aJ.scrollLeft,aK=aI.pageYOffset||aJ.scrollTop,aF=aJ.clientLeft||aH.clientLeft,j=aJ.clientTop||aH.clientTop;return{x:i.left+aE-aF,y:i.top+aK-j}}function U(j,aE,aF,aD){var i=j.radius*j.z1/(j.z1+j.z2+aE.z);return{x:aE.x*i*aF,y:aE.y*i*aD,z:aE.z,w:(j.z1-aE.z)/j.z2}}function ax(i){this.e=i;this.br=0;this.line=[];this.text=[];this.original=i.innerText||i.textContent}aC=ax.prototype;aC.Empty=function(){for(var j=0;j<this.text.length;++j){if(this.text[j].length){return false}}return true};aC.Lines=function(aF){var 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this[aJ.image?"DrawColourImage":"DrawColourText"](aE,aH,aF,aI,aD,i,aJ,j,aG)};x.DrawColourText=function(aF,aI,aG,aJ,aD,i,aK,j,aH){var aE=aK.colour;aK.colour=i;aK.alpha=1;aK.Draw(aF,j,aH);

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]/),i,aE,aG=aD.length;if(!this.HasText()){return}this.weighted=true;for(aE=0;aE<aG;++aE){i=aF[aE]||"size";if("both"==i){this.Weight(aD[aE],j.ctxt,j,"size",j.min_weight[aE],j.max_weight[aE],aE);this.Weight(aD[aE],j.ctxt,j,"colour",j.min_weight[aE],j.max_weight[aE],aE)}else{this.Weight(aD[aE],j.ctxt,j,i,j.min_weight[aE],j.max_weight[aE],aE)}}this.Measure(j.ctxt,j)};c.Weight=function(aD,aI,aE,j,aH,aF,aG){aD=isNaN(aD)?1:aD;var i=(aD-aH)/(aF-aH);if("colour"==j){this.colour=k(aE,i,aG)}else{if("bgcolour"==j){this.bgColour=k(aE,i,aG)}else{if("bgoutline"==j){this.bgOutline=k(aE,i,aG)}else{if("size"==j){if(aE.weightSizeMin>0&&aE.weightSizeMax>aE.weightSizeMin){this.textHeight=aE.weightSize*(aE.weightSizeMin+(aE.weightSizeMax-aE.weightSizeMin)*i)}else{this.textHeight=s(1,aD*aE.weightSize)}}}}}};c.SetShadowColourFixed=function(aD,j,i){aD.shadowColor=j};c.SetShadowColourAlpha=function(aD,j,i){aD.shadowColor=T(j,i)};c.DrawText=function(aF,aI,aE){var aJ=this.tc,aH=this.x,aG=this.y,aK=this.sc,j,aD;aF.globalAlpha=this.alpha;aF.fillStyle=this.colour;aJ.shadow&&this.SetShadowColour(aF,aJ.shadow,this.alpha);aF.font=this.font;aH+=aI/aK;aG+=(aE/aK)-(this.h/2);for(j=0;j<this.text.length;++j){aD=aH;if("right"==aJ.textAlign){aD+=this.w/2-this.line_widths[j]}else{if("centre"==aJ.textAlign){aD-=this.line_widths[j]/2}else{aD-=this.w/2}}aF.setTransform(aK,0,0,aK,aK*aD,aK*aG);aF.fillText(this.text[j],0,0);aG+=this.textHeight}};c.DrawImage=function(aF,aM,aE,aH){var aJ=this.x,aG=this.y,aN=this.sc,j=aH||this.fimage,aK=this.w,aD=this.h,aI=this.alpha,aL=this.shadow;aF.globalAlpha=aI;aL&&this.SetShadowColour(aF,aL,aI);aJ+=(aM/aN)-(aK/2);aG+=(aE/aN)-(aD/2);aF.setTransform(aN,0,0,aN,aN*aJ,aN*aG);aF.drawImage(j,0,0,aK,aD)};c.DrawImageIE=function(aF,aJ,aE){var j=this.fimage,aK=this.sc,aI=j.width=this.w*aK,aD=j.height=this.h*aK,aH=(this.x*aK)+aJ-(aI/2),aG=(this.y*aK)+aE-(aD/2);aF.setTransform(1,0,0,1,0,0);aF.globalAlpha=this.alpha;aF.drawImage(j,aH,aG)};c.Calc=function(i,aD){var j,aG=this.tc,aF=aG.minBrightness,aE=aG.maxBrightness,aH=aG.max_radius;j=i.xform(this.position);this.xformed=j;j=U(aG,j,aG.stretchX,aG.stretchY);this.x=j.x;this.y=j.y;this.z=j.z;this.sc=j.w;this.alpha=aD*aq(aF+(aE-aF)*(aH-this.z)/(2*aH),0,1)};c.UpdateActive=function(aI,aD,aG){var aF=this.outline,j=this.w,aE=this.h,i=this.x-j/2,aH=this.y-aE/2;aF.Update(i,aH,j,aE,this.sc,this.z,aD,aG);return aF};c.CheckActive=function(aF,i,aE){var j=this.tc,aD=this.UpdateActive(aF,i,aE);return aD.Active(aF,j.mx,j.my)?aD:null};c.Clicked=function(aG){var j=this.a,aD=j.target,aE=j.href,i;if(aD!=""&&aD!="_self"){if(self.frames[aD]){self.frames[aD].document.location=aE}else{try{if(top.frames[aD]){top.frames[aD].document.location=aE;return}}catch(aF){}window.open(aE,aD)}return}if(C.createEvent){i=C.createEvent("MouseEvents");i.initMouseEvent("click",1,1,window,0,0,0,0,0,0,0,0,0,0,null);if(!j.dispatchEvent(i)){return}}else{if(j.fireEvent){if(!j.fireEvent("onclick")){return}}}C.location=aE};function y(aJ,j,aE){var aD,aG,aI=C.getElementById(aJ),aF=["id","class","innerHTML"],aH;if(!aI){throw 0}if(ag(window.G_vmlCanvasManager)){aI=window.G_vmlCanvasManager.initElement(aI);this.ie=parseFloat(navigator.appVersion.split("MSIE")[1])}if(aI&&(!aI.getContext||!aI.getContext("2d").fillText)){aG=C.createElement("DIV");for(aD=0;aD<aF.length;++aD){aG[aF[aD]]=aI[aF[aD]]}aI.parentNode.insertBefore(aG,aI);aI.parentNode.removeChild(aI);throw 0}for(aD in 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y[this.animTiming]=="function"?y[this.animTiming]:y.Smooth);if(this.shadowBlur||this.shadowOffset[0]||this.shadowOffset[1]){this.ctxt.shadowColor=this.shadow;this.shadow=this.ctxt.shadowColor;this.shadowAlpha=aj()}else{delete this.shadow}this.Load();if(j&&this.hideTags){(function(i){if(y.loaded){i.HideTags()}else{ab("load",function(){i.HideTags()},window)}})(this)}this.yaw=this.initial?this.initial[0]*this.maxSpeed:0;this.pitch=this.initial?this.initial[1]*this.maxSpeed:0;if(this.tooltip){this.ctitle=aI.title;aI.title="";if(this.tooltip=="native"){this.Tooltip=this.TooltipNative}else{this.Tooltip=this.TooltipDiv;if(!this.ttdiv){this.ttdiv=C.createElement("div");this.ttdiv.className=this.tooltipClass;this.ttdiv.style.position="absolute";this.ttdiv.style.zIndex=aI.style.zIndex+1;ab("mouseover",function(i){i.target.style.display="none"},this.ttdiv);C.body.appendChild(this.ttdiv)}}}else{this.Tooltip=this.TooltipNone}if(!this.noMouse&&!b[aJ]){b[aJ]=[["mousemove",ad],["mouseout",B],["mouseup",aA],["touchstart",S],["touchend",r],["touchcancel",r],["touchmove",av]];if(this.dragControl){b[aJ].push(["mousedown",z]);b[aJ].push(["selectstart",aw])}if(this.wheelZoom){b[aJ].push(["mousewheel",ae]);b[aJ].push(["DOMMouseScroll",ae])}for(aD=0;aD<b[aJ].length;++aD){ab(b[aJ][aD][0],b[aJ][aD][1],aI)}}if(!y.started){aH=window.requestAnimationFrame=window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||window.msRequestAnimationFrame;y.NextFrame=aH?y.NextFrameRAF:y.NextFrameTimeout;y.interval=this.interval;y.NextFrame(this.interval);y.started=1}}P=y.prototype;P.SourceElements=function(){if(C.querySelectorAll){return C.querySelectorAll("#"+this.source)}return[C.getElementById(this.source)]};P.HideTags=function(){var aD=this.SourceElements(),j;for(j=0;j<aD.length;++j){aD[j].style.display="none"}};P.GetTags=function(){var aH=this.SourceElements(),aG,aD=[],aF,aE;for(aF=0;aF<aH.length;++aF){aG=aH[aF].getElementsByTagName("a");for(aE=0;aE<aG.length;++aE){aD.push(aG[aE])}}return aD};P.Message=function(aI){var aK=[],aE,j,aD=aI.split(""),aG,aJ,aH,aF;for(aE=0;aE<aD.length;++aE){if(aD[aE]!=" "){j=aE-aD.length/2;aG=C.createElement("A");aG.href="#";aG.innerText=aD[aE];aH=100*af(j/9);aF=-100*w(j/9);aJ=new e(this,aD[aE],aG,[aH,0,aF],2,18,"#000","#fff",0,0,0,"monospace",2,aD[aE]);aJ.Init();aK.push(aJ)}}return aK};P.CreateTag=function(aH){var aK,aF,aL,aG,aJ,aD,aI,aE,j=[0,0,0];if("text"!=this.imageMode){aK=aH.getElementsByTagName("img");if(aK.length){aF=new Image;aF.src=aK[0].src;if(!this.imageMode){aL=new e(this,"",aH,j,0,0);aL.SetImage(aF);ar(aF,aK[0],aL,this);return aL}}}if("image"!=this.imageMode){aJ=new ax(aH);aG=aJ.Lines();if(!aJ.Empty()){aD=this.textFont||o(X(aH,"font-family"));if(this.splitWidth){aG=aJ.SplitWidth(this.splitWidth,this.ctxt,aD,this.textHeight)}aI=this.bgColour=="tag"?X(aH,"background-color"):this.bgColour;aE=this.bgOutline=="tag"?X(aH,"color"):this.bgOutline}else{aJ=null}}if(aJ||aF){aL=new e(this,aG,aH,j,2,this.textHeight+2,this.textColour||X(aH,"color"),aI,this.bgRadius,aE,this.bgOutlineThickness,aD,this.padding,aJ&&aJ.original);if(aF){aL.SetImage(aF);ar(aF,aK[0],aL,this)}else{aL.Init()}return aL}};

21P.UpdateTag=function(aD,i){var aG=this.textColour||X(i,"color"),j=this.textFont||o(X(i,"font-family")),aF=this.bgColour=="tag"?X(i,"background-color"):this.bgColour,aE=this.bgOutline=="tag"?X(i,"color"):this.bgOutline;aD.a=i;aD.title=i.title;if(aD.colour!=aG||aD.textFont!=j||aD.bgColour!=aF||aD.bgOutline!=aE){aD.SetFont(j,aG,aF,aE)}};P.Weight=function(aJ){var aF=aJ.length,aH,aD,aK,aG=[],j,aE=this.weightFrom?this.weightFrom.split(/[, ]/):[null],aI=aE.length;for(aD=0;aD<aF;++aD){aG[aD]=[];for(aK=0;aK<aI;++aK){aH=u(aJ[aD].a,aE[aK],this.textHeight);if(!this.max_weight[aK]||aH>this.max_weight[aK]){this.max_weight[aK]=aH}if(!this.min_weight[aK]||aH<this.min_weight[aK]){this.min_weight[aK]=aH}aG[aD][aK]=aH}}for(aK=0;aK<aI;++aK){if(this.max_weight[aK]>this.min_weight[aK]){j=1}}if(j){for(aD=0;aD<aF;++aD){aJ[aD].SetWeight(aG[aD])}}};P.Load=function(){var aN=this.GetTags(),aI=[],aL,aM,aH,aE,aD,j,aF,aK,aG=[],aJ={sphere:q,vcylinder:ak,hcylinder:ap,vring:d,hring:n};if(aN.length){aG.length=aN.length;for(aK=0;aK<aN.length;++aK){aG[aK]=aK}this.shuffleTags&&al(aG);aE=100*this.radiusX;aD=100*this.radiusY;j=100*this.radiusZ;this.max_radius=s(aE,s(aD,j));for(aK=0;aK<aN.length;++aK){aM=this.CreateTag(aN[aG[aK]]);if(aM){aI.push(aM)}}this.weight&&this.Weight(aI,true);if(this.shapeArgs){this.shapeArgs[0]=aI.length}else{aH=this.shape.toString().split(/[(),]/);aL=aH.shift();this.shape=aJ[aL]||aJ.sphere;this.shapeArgs=[aI.length,aE,aD,j].concat(aH)}aF=this.shape.apply(this,this.shapeArgs);this.listLength=aI.length;for(aK=0;aK<aI.length;++aK){aI[aK].position=new ac(aF[aK][0],aF[aK][1],aF[aK][2])}}if(this.noTagsMessage&&!aI.length){aI=this.Message("No tags")}this.taglist=aI};P.Update=function(){var aM=this.GetTags(),aL=[],aG=this.taglist,aN,aK=[],aI=[],aE,aJ,aD,aH,aF;if(!this.shapeArgs){return this.Load()}if(aM.length){aD=this.listLength=aM.length;aJ=aG.length;for(aH=0;aH<aJ;++aH){aL.push(aG[aH]);aI.push(aH)}for(aH=0;aH<aD;++aH){for(aF=0,aN=0;aF<aJ;++aF){if(aG[aF].EqualTo(aM[aH])){this.UpdateTag(aL[aF],aM[aH]);aN=aI[aF]=-1}}if(!aN){aK.push(aH)}}for(aH=0,aF=0;aH<aJ;++aH){if(aI[aF]==-1){aI.splice(aF,1)}else{++aF}}if(aI.length){al(aI);while(aI.length&&aK.length){aH=aI.shift();aF=aK.shift();aL[aH]=this.CreateTag(aM[aF])}aI.sort(function(j,i){return j-i});while(aI.length){aL.splice(aI.pop(),1)}}aF=aL.length/(aK.length+1);aH=0;while(aK.length){aL.splice(am(++aH*aF),0,this.CreateTag(aM[aK.shift()]))}this.shapeArgs[0]=aD=aL.length;aE=this.shape.apply(this,this.shapeArgs);for(aH=0;aH<aD;++aH){aL[aH].position=new ac(aE[aH][0],aE[aH][1],aE[aH][2])}this.weight&&this.Weight(aL)}this.taglist=aL};P.SetShadow=function(i){i.shadowBlur=this.shadowBlur;i.shadowOffsetX=this.shadowOffset[0];i.shadowOffsetY=this.shadowOffset[1]};P.Draw=function(aN){if(this.paused){return}var aH=this.canvas,aF=aH.width,aM=aH.height,aP=0,aE=(aN-this.time)*y.interval/1000,aL=aF/2+this.offsetX,aK=aM/2+this.offsetY,aT=this.ctxt,aJ,aU,aR,aD=-1,aG=this.taglist,aQ=aG.length,j=this.frontSelect,aO=(this.centreFunc==aw),aI;this.time=aN;if(this.frozen&&this.drawn){return this.Animate(aF,aM,aE)}aI=this.AnimateFixed();aT.setTransform(1,0,0,1,0,0);for(aR=0;aR<aQ;++aR){aG[aR].Calc(this.transform,this.fixedAlpha)}aG=A(aG,function(aV,i){return i.z-aV.z});if(aI&&this.fixedAnim.active){aJ=this.fixedAnim.tag.UpdateActive(aT,aL,aK)}else{this.active=null;for(aR=0;aR<aQ;++aR){aU=this.mx>=0&&this.my>=0&&this.taglist[aR].CheckActive(aT,aL,aK);if(aU&&aU.sc>aP&&(!j||aU.z<=0)){aJ=aU;aD=aR;aJ.tag=this.taglist[aR];aP=aU.sc}}this.active=aJ}this.txtOpt||(this.shadow&&this.SetShadow(aT));aT.clearRect(0,0,aF,aM);for(aR=0;aR<aQ;++aR){if(!aO&&aG[aR].z<=0){try{this.centreFunc(aT,aF,aM,aL,aK)}catch(aS){alert(aS);this.centreFunc=aw}aO=true}if(!(aJ&&aJ.tag==aG[aR]&&aJ.PreDraw(aT,aG[aR],aL,aK))){aG[aR].Draw(aT,aL,aK)}aJ&&aJ.tag==aG[aR]&&aJ.PostDraw(aT)}if(this.freezeActive&&aJ){this.Freeze()}else{this.UnFreeze();this.drawn=(aQ==this.listLength)}if(this.fixedCallback){this.fixedCallback(this,this.fixedCallbackTag);this.fixedCallback=null}aI||this.Animate(aF,aM,aE);aJ&&aJ.LastDraw(aT);aH.style.cursor=aJ?this.activeCursor:"";this.Tooltip(aJ,this.taglist[aD])};P.TooltipNone=function(){};

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